Evaluate (if possible) the sine, cosine, and tangent at the real number t. (If an answer is undefined, enter UNDEFINED.) t = − 3π 4 sin t = cos t = tan t =

Question

Evaluate (if possible) the sine, cosine, and tangent at the real number t. (If an answer is undefined, enter UNDEFINED.)

t = − 3π
4
sin t	=
cos t	=
tan t	=

Answer 1

t = − 3π
4
sin t	= 0
cos t	= -1
tan t	= 0

I answered this table previously and t= -3π/4, but this table looks skewed somehow.

Answer 2